JPH08336069A - Electronic still camera - Google Patents

Electronic still camera

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Publication number
JPH08336069A
JPH08336069A JP8081289A JP8128996A JPH08336069A JP H08336069 A JPH08336069 A JP H08336069A JP 8081289 A JP8081289 A JP 8081289A JP 8128996 A JP8128996 A JP 8128996A JP H08336069 A JPH08336069 A JP H08336069A
Authority
JP
Japan
Prior art keywords
direction
camera
image
signal
horizontal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP8081289A
Other languages
Japanese (ja)
Inventor
Masaki Izumi
Seiichi Mizukoshi
Seishi Ohmori
Kenneth A Parulski
Warren D Severin
エイ パラルスキー ケニス
デイ セベリン ワレン
雅喜 和泉
晴史 大森
誠一 水越
Original Assignee
Eastman Kodak Co
イーストマン・コダツク・カンパニー
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to US42171595A priority Critical
Priority to US421715 priority
Application filed by Eastman Kodak Co, イーストマン・コダツク・カンパニー filed Critical Eastman Kodak Co
Publication of JPH08336069A publication Critical patent/JPH08336069A/en
Application status is Pending legal-status Critical

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/32Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device
    • H04N1/32101Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
    • H04N1/32128Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title attached to the image data, e.g. file header, transmitted message header, information on the same page or in the same computer file as the image
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/21Intermediate information storage
    • H04N1/2104Intermediate information storage for one or a few pictures
    • H04N1/2112Intermediate information storage for one or a few pictures using still video cameras
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/21Intermediate information storage
    • H04N1/2104Intermediate information storage for one or a few pictures
    • H04N1/2112Intermediate information storage for one or a few pictures using still video cameras
    • H04N1/2137Intermediate information storage for one or a few pictures using still video cameras with temporary storage before final recording, e.g. in a frame buffer
    • H04N1/2141Intermediate information storage for one or a few pictures using still video cameras with temporary storage before final recording, e.g. in a frame buffer in a multi-frame buffer
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/21Intermediate information storage
    • H04N1/2104Intermediate information storage for one or a few pictures
    • H04N1/2112Intermediate information storage for one or a few pictures using still video cameras
    • H04N1/215Recording a sequence of still pictures, e.g. burst mode
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/21Intermediate information storage
    • H04N1/2104Intermediate information storage for one or a few pictures
    • H04N1/2158Intermediate information storage for one or a few pictures using a detachable storage unit
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/222Studio circuitry; Studio devices; Studio equipment ; Cameras comprising an electronic image sensor, e.g. digital cameras, video cameras, TV cameras, video cameras, camcorders, webcams, camera modules for embedding in other devices, e.g. mobile phones, computers or vehicles
    • H04N5/225Television cameras ; Cameras comprising an electronic image sensor, e.g. digital cameras, video cameras, camcorders, webcams, camera modules specially adapted for being embedded in other devices, e.g. mobile phones, computers or vehicles
    • H04N5/232Devices for controlling television cameras, e.g. remote control ; Control of cameras comprising an electronic image sensor
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2101/00Still video cameras
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/32Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device
    • H04N2201/3201Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
    • H04N2201/3225Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title of data relating to an image, a page or a document
    • H04N2201/3254Orientation, e.g. landscape or portrait; Location or order of the image data, e.g. in memory
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/32Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device
    • H04N2201/3201Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
    • H04N2201/3274Storage or retrieval of prestored additional information
    • H04N2201/3277The additional information being stored in the same storage device as the image data
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S358/00Facsimile and static presentation processing
    • Y10S358/906Hand-held camera with recorder in a single unit

Abstract

PROBLEM TO BE SOLVED: To output a still image in correct direction by automatically detecting the direction of camera to an object, without special application programs. SOLUTION: This electronic still camera is provided with an electronic image- pickup sensor 16 for generating an image signal, corresponding to the still image of an object and a direction decision part 36 for detecting the direction of camera to the object. The direction decision part 36 generates a direction signal for recognizing whether the camera is vertical or horizontal with respect to the object. In response to the direction signal, an image processor 22 processes the image signal and corrects its direction, so that the still image can be outputted from the image processor 22 in prescribed direction. Thus, the electronic still camera 10 can be positioned in various directions with respect to the object, while including a horizontal scenery direction and both clockwise and counterclockwise vertical figure directions.

Description

【発明の詳細な説明】 DETAILED DESCRIPTION OF THE INVENTION

【0001】 [0001]

【発明の属する技術分野】本発明は電子スチル撮影の分野に関し、より特定的には被写体に対して様々な向きで保持できる手持ち式の電子スチルカメラに関する。 The invention relates to the field of electronic still imaging BACKGROUND OF THE INVENTION relates to hand-held electronic still camera which can be held in various orientations with respect more particularly to the subject.

【0002】 [0002]

【従来の技術】テレビ画面に画像を表示する8mmカムコーダ等の従来のビデオカメラでは、正方向を向いた画像を得ようとするとカメラを正水平(いわゆる「風景」 In a conventional video camera of 8mm camcorders such as to display the image on the TV screen, the if an attempt is made to obtain an image oriented in the positive direction the camera positive horizontal (the so-called "landscape"
方向、以下、単に風景方向と称す)に構えなければならない。 Direction, below, must be poised to simply referred to as a landscape direction). カメラを垂直(いわゆる「人物」方向、以下、単に人物方向と称す)に回転させると、テレビ画面に表示される画像もカメラの回転に応じて回転する。 The camera vertical (so-called "person" direction, hereinafter, simply referred to as a person direction) is rotated to rotate in response to rotation of the image is also a camera to be displayed on the TV screen. 表示画面を回転させるかまたは視聴者が画面を見る方向を変えれば画像は回転しないことになるが、これはテレビの場合は実際的な方法ではない。 Although will be or viewer rotates the display screen image does not rotate when changing the viewing direction of the screen, this is not a practical way in the case of television. この画像の回転は実用上はさらに大きな問題である。 Rotation of the image is practically a further major problem. なぜなら、人物方向への回転は実際には時計回りの回転と反時計回りの回転という2方向があるからである。 This is because the rotation of the person direction is because there are actually two directions that rotation of the rotating and counter clockwise clockwise. このため、図1に示すように2つの人物方向のそれぞれで空は画面上部ではなく画面の左または右側に現れる。 Therefore, the sky appears to the left or right side of the screen rather than the top of the screen in each of the two persons direction as shown in FIG. 従来のフィルムを用いる写真撮影では、フィルム用カメラは任意の方向に回転させることができた。 In photography using conventional film, the film camera could be rotated in any direction. 従って、垂直の人物カメラ方向で撮った写真を見る時には写真を回転させ、またスライドの場合はプロジェクタの中でやはりスライドの向きを回転させて見ていた。 Thus, by rotating the photo when you see the photos taken at the vertical of the person camera direction, in the case of the slide also I had seen by again rotating the slide orientation in the projector.

【0003】これに対して、Kodak DC40カメラ(発売元:イーストマン・コダック社)等の最新の電子スチルカメラでは、撮影した静止画像をユーザがコンピュータ画面上に表示することができる。 [0003] On the other hand, Kodak DC40 camera: In the (Publisher Eastman Kodak Company), the latest of the electronic still camera such as a still image taken user can be displayed on a computer screen. フィルムを使用するカメラと同様に、かかる電子カメラは簡単に回転させることができるため、画像は水平の風景方向か、または2つの垂直人物方向のいずれかを向くように配置できる。 As with cameras using film, because such an electronic camera can be easily rotated, the image can be disposed such that one of the horizontal landscape direction or two perpendicular person direction. ただし、コンピュータ画面に現れる最初の画像は常にカメラが水平位置にある場合を想定したものである。 However, the first image that appears on the computer screen is always the camera is assumed that in the horizontal position. このため、人物方向に向けたカメラで撮影した画像はどれも回転していて、空(像の上部にあるべきもの) Therefore, any image taken by the camera toward the person direction rotating, empty (should the top of the image)
が像の上部ではなくて左か右にある。 But to the left or right rather than at the top of the image. コンピュータ画像処理ソフトウェアの中には、Adobe Photos Some of the computer image processing software, Adobe Photos
hop(商標)(発売元:アドベ社)のようにコンピュータに記憶した画像を正しい向きに回転させる機能を持つものもあるが、これにはユーザが人物方向の画像を1 hop (TM) (Publisher: adobe, Inc.), but also those having a function of rotating the image stored in the computer in the correct orientation as an image the user is the person direction thereto 1
つずつ選択して、それぞれを時計方向または反時計方向に回転させるという手間のかかる操作を手動で行わなければならない。 One each select must manually perform an operation time-consuming of rotating the respective clockwise or counterclockwise direction.

【0004】また、特別な「アルバムアプリケーション」と呼ばれる自動方向転換機能が米国特許第5,27 [0004] In addition, patent automatic redirection feature called special "album application" is the United States the first 5, 27
4,418号に記載されている。 It is described in EP 4,418. このスチルビデオカメラは複数の画像を制御情報とともに撮影して、それらの画像をアルバムの1ページのように編集する。 The still video camera is taken together with control information a plurality of images, edit those images as one page of the album. カメラには出力媒体に方向に関する印をつける方向検出器が備えられており、別に設けたプレーヤがこの方向データを読み取って、画像をアルバムの1ページのように正しく配置して表示するために必要に応じて画像を調整する。 The camera is equipped with a direction detector to mark with respect to the direction to the output medium, necessary to separately provided player reads this direction data, and displays the image correctly positioned as one page of the album to adjust the image in accordance with. この撮像システムではプレーヤ中に特別なアプリケーションプログラムが必要であり、方向の修正はその特別なプレーヤを用いなければできない。 In the imaging system requires special application program into the player, the direction of the modification can not to be used that special player. つまり、方向転換はこの特別のプレーヤ中の特別なアプリケーションプログラムを用いる場合にのみ「自動」で行われることになる。 In other words, turning will be carried out by only the "Auto" in the case of using a special application program in this particular player.

【0005】所望しないカメラの傾きを補正する別のタイプの画像処理方法もある。 [0005] There is another type of image processing method for correcting the tilt of the undesirable camera. 一例として米国特許第5, U.S. Patent No. 5 as an example,
227,889号に記載されているようなビデオカメラは、例えば歩行中の撮影などのためにカメラが傾いている場合に、このカメラ全体の垂直方向の傾斜量を検知して補正する。 Video camera, such as described in No. 227,889, for example if the camera for such imaging during walking is inclined is corrected by detecting the tilt amount of vertical entire camera. 傾きの補正は、傾斜情報に基づいて2つのフィールドメモリのアドレス指定を制御し、出力される動画像信号の傾きをリアルタイムで補正して行う。 Tilt correction based on the tilt information to control the addressing of two field memories, the inclination of the moving image signal to be outputted by correcting in real time. こうして所望しないカメラの向きが出力信号中で補正される。 Thus undesired camera direction is corrected in the output signal. しかし突発的な傾きの補正は動画用ビデオカメラの場合は必要であるが、スチルカメラでは、出来上がったスチル写真に希望するディテールをすべて入れたい場合などに故意に傾斜した写真を撮るように操作することが多いため、前述のように連続してカメラの傾斜を補正するとこれができなくなってしまう。 However, although the correction of the catastrophic slope is required in the case of the video for the video camera, a still camera, manipulated to take the photo, which is inclined to deliberate, for example, if you want to put all of the detail you want in the resulting still photography since it is often, it becomes impossible which is corrected the tilt of the camera continuously as described above. つまり、問題は画像の傾きといった望ましくない状況をどう制御するかではなく、人物方向などの所望する状況をどう操作するか、 In other words, the problem is not what to do control the situation undesirable such tilt of the image, how to manipulate the desired conditions, such as a person direction,
そしてその状況をどのように適切に修正するかということである。 Then it is how to properly correct the situation.

【0006】 [0006]

【発明が解決しようとする課題】以上のように、被写体に対して垂直の人物方向と水平の風景方向とを含む様々な方向に位置決めできる電子スチルカメルにおいて、従来の電子スチルカメラでは、特別なアプリケーションプログラムを用いずに被写体に対するカメラの向きを自動で検知して画像の方向を修正し、正しい向きの画像を出力することができなかった。 As described above [0006] In the electronic Suchirukameru can be positioned in various directions including the person and horizontal landscape direction perpendicular to the subject, in the conventional electronic still camera, special application the direction of the camera relative to the subject without using the program detects automatically correct the orientation of the image, it can not be output the image of the correct orientation.

【0007】 [0007]

【課題を解決するための手段】本発明の開示に従ってこれらの問題を解決するために、被写体の静止画像に対応して画像信号を発生する電子撮像センサと、被写体に対するカメラの向きを検知する方向判断部とを備える電子スチルカメラを提供する。 In order to solve these problems in accordance with the teachings of the present invention SUMMARY OF THE INVENTION, and an electronic image sensor for generating an image signal corresponding to a still image of the subject, the direction for detecting the direction of the camera relative to the object to provide an electronic still camera and a determination unit. 方向判断部は被写体に対する向きのうち少なくとも垂直方向を示す方向信号を発生する。 Direction determination unit generates a direction signal indicative of at least the vertical direction of the orientation with respect to the subject. カメラ中の画像プロセッサはこの方向信号に応答して画像信号を処理し、画像信号の方向を修正して、所定の方向を向いた静止画像をカメラから出力するようにする。 The image processor in the camera processes the image signal in response to the direction signal, and correct the direction of the image signal, so as to output a still image facing in a predetermined direction from the camera.

【0008】より特定的には、電子スチルカメラは一対の水銀スイッチ等の方向センサを含む。 More particularly [0008], the electronic still camera includes an orientation sensor such as a pair of mercury switches. この方向センサは撮影の際にユーザがカメラを正水平の風景方向に保持しているのか、または垂直の人物方向に保持しているのかを判断する。 The direction sensor whether the user at the time of shooting is holding the camera in the positive horizontal landscape direction, or to determine whether they retain the person direction perpendicular. 画像はカメラ内部で回転して常に同じ方向(つまり水平)で記憶される。 Image is stored always rotate within the camera in the same direction (i.e. horizontal).

【0009】本発明のこのような目的、特徴、および利点は、前掲の特許請求の範囲、および以下の好ましい実施形態の詳細な説明、ならびに添付の図面を参照することにより、一層明白に理解することができると考える。 [0009] Such objects, features, and advantages of the present invention, the appended claims and the following preferred details of embodiments described, as well as by reference to the accompanying drawings, in which more clearly understood I think that it is possible.

【0010】 [0010]

【発明の実施の形態】図2に本発明に従う自動方向修正機能を用いる電子カメラ10のブロック図を示す。 It shows a block diagram of the electronic camera 10 using an automatic direction correction function according to the present invention DETAILED DESCRIPTION OF THE INVENTION Figure 2. このカメラは通常は、被写体14の像を電荷結合素子(以下、CCDと称す)撮像センサ16上に結像する手持ち式の装置である。 The camera is typically a charge coupled device image of a subject 14 (hereinafter, referred to as CCD) is a handheld device that forms an image on the imaging sensor 16. センサ16はCCDドライバ回路18 Sensor 16 is a CCD driver circuit 18
によってクロック決めされて、被写体の静止画像に対応するアナログ画像信号を発生する。 It is determined clock by, for generating an analog image signal corresponding to the still image of the subject. このアナログ画像信号はA/D変換器20によってデジタル画像信号に変換される。 The analog image signal is converted into a digital image signal by the A / D converter 20. 露光時間の制御は、従来の絞り23によってレンズ12の開口を調節し、かつCCDドライバ回路18 Control of the exposure time, to adjust the opening of the lens 12 by a conventional aperture 23, and the CCD driver circuit 18
によって撮像センサ16の従来の電子シャッターを使って行われる。 It is done using conventional electronic shutter of the image sensor 16 by. (電子シャッターの代わりに機械式シャッター(図示せず)を用いてもよい。)デジタル画像信号は画像プロセッサ22で処理されて、複数個の処理済みデジタル画像記憶用のメモリを有する取り外し可能な固体メモリカード24などのデジタルメモリに記憶される。 (Or using a mechanical shutter instead of the electronic shutter (not shown).) The digital image signal is processed by the image processor 22, a removable solid with a memory for a plurality of processed digital image storage It is stored in digital memory such as a memory card 24. CCD撮像センサ16には、512本の受光素子(1本あたり受光素子768個)からなるKodakのモデルKAF−0400CなどのCCDセンサが用いられる。 The CCD image sensor 16, Kodak CCD sensor such as Model KAF-0400C of consisting of 512 light receiving elements (light receiving element 768 per one) is used. このKAF−0400C CCDセンサでは,垂直・水平方向についての受光素子間の間隔はどちらも9 This KAF-0400C CCD sensor, both the spacing between the light receiving elements in the vertical and horizontal directions 9
ミクロンであるため、画素は正方形であり、水平アスペクト比は3:2である。 Since a micron, the pixel is square, the horizontal aspect ratio of 3: 2.

【0011】メモリカード24は、『PCカード基準2.0版』(1991年9月パーソナル・コンピュータ・メモリカード・インターナショナル・アソシエーション出版、所在地:米国カリフォルニア州サニィベイル) [0011] The memory card 24, "PC card standard 2.0 Edition" (September, Personal Computer Memory Card International Association Publishing, 1991, Location: California, USA Sanyibeiru)
に記載されている、周知のPCMCIAカードインターフェイス基準に従って構成されたものが好ましい。 Those constructed in accordance with that, a well-known PCMCIA card interface standards described in the preferred. この基準では、メモリカード24をPCMCIAインタフェース26を介してカメラ10に結合するためのインタフェースピンの割当が規定されている。 In this reference, assignment interface pins for coupling the memory card 24 to the camera 10 via the PCMCIA interface 26 is defined. メモリカード24 Memory card 24
はインタフェース26から離せばカメラ10から取り外すことができる。 It can be removed from the camera 10 If you release from the interface 26. 取り外したカード24は同様のPCM Remove the card 24 is similar PCM
CIAインタフェース30を介してコンピュータ28へ挿入することができる。 It can be inserted into the computer 28 through a CIA interface 30. するとコンピュータ28中の中央処理装置32がメモリカード24から画像信号を読み出し、この画像信号をディスプレイ34に送って画像をコンピュータシステム上に表示する。 Then the central processing unit 32 in the computer 28 reads the image signal from the memory card 24, and displays an image by sending an image signal to the display 34 on the computer system. この代わりに、メモリカード24に対応する固体メモリをカメラ内部に取り付け、カメラ自身をインタフェースケーブル(図示せず)につないで画像をダウンロードして表示することも可能である。 Alternatively, attaching a solid-state memory corresponding to the memory card 24 to the camera, it is also possible to download and display images by connecting the camera itself to the interface cable (not shown). どちらの場合も画像は正しく見えるように正しい向きで表示される。 Also image is displayed correctly appear as in the correct orientation in both cases.

【0012】本発明の一実施形態では、カメラは方向判断部36を備える。 [0012] In one embodiment of the present invention, the camera comprises a direction determining unit 36. この方向判断部36はカメラが水平の風景方向を向いているか、または第1(時計回り)もしくは第2(反時計回り)の垂直の人物方向を向いているかどうかを判断する。 The direction determining unit 36 ​​camera determines whether facing a person direction vertical or facing horizontal landscape direction, or the first (clockwise) or second (counterclockwise). (図9のところで詳しく述べるが、この方向判断部36はカメラが上下逆さまの逆水平位置に保持されていることも判断できる。)方向判断部36は1つ以上の方向センサ40と、被写体に対するカメラの向きを示す方向信号を発生する論理部42とを含む。 (As will be described in detail with respect to FIG. 9, the direction determination unit 36 ​​cameras may also determine that it is held in the opposite horizontal position upside down.) With the direction determining unit 36 ​​may include one or more directional sensor 40, with respect to the object and a logic unit 42 for generating a direction signal indicating the camera orientation. 方向信号はカメラ制御インタフェース38に送られる。 Direction signal is sent to the camera control interface 38. 方向信号は少なくともカメラが垂直方向を向いていることを示す。 Direction signal indicates that at least the camera is oriented in the vertical direction. (従って、この信号がない場合は水平方向を向いていることが示される。)または、カメラが垂直方向であるか水平方向であるかを積極的に示す場合もある。 (Thus, without this signal. It is shown to be oriented horizontally) or the camera may indicate positively whether a horizontal or a vertical direction. カメラ制御インタフェース38はシャッターボタン44によって合図されると、CCDドライバ18にセンサ16からの画像信号のクロック決めを行わせるよう命令する。 When the camera control interface 38 is signaled by a shutter button 44, it instructs to perform the clock decide the image signal from the sensor 16 to the CCD driver 18. 同時に、インタフェース38は方向判断部3 At the same time, the interface 38 is the direction determination unit 3
6から画像プロセッサ22へ方向信号を与える。 It gives the direction signal from the 6 to the image processor 22. 画像プロセッサ22はこの方向信号に応答して画像信号を処理し、画像信号の方向を修正することにより、静止画像を所定の向きで画像プロセッサ22から出力してメモリカード24に記憶し、その後、ディスプレイ34に画像を表示する。 The image processor 22 processes the image signal in response to the direction signal, by correcting the direction of the image signal, stored in the memory card 24 to output the still image from the image processor 22 in a predetermined orientation, then to display the image on the display 34. 通常は、この所定の向きはすべての画像に共通であり、画像プロセッサ22は垂直方向の画像を水平方向の画像に変換する。 Typically, this predetermined direction is common to all images, the image processor 22 converts the image in the vertical direction in the horizontal direction of the image. 注記しておくが、風景方向については画像は512(V)x768(H)であるが、人物方向では記憶される画像は768(V)x512 Although it should be noted, although the landscape direction image is 512 (V) x768 (H), the image is 768 (V) x 512 stored in the person direction
(H)である。 It is a (H).

【0013】図8には、画像の回転を求めるための信号処理アーキテクチャを概略的に示す。 [0013] FIG. 8 shows a signal processing architecture for obtaining image rotation schematically. このアーキテクチャは画像プロセッサ22にハードウェアまたはソフトウェアとして組み入れることができる。 This architecture can be incorporated as hardware or software in the image processor 22. A/D変換器20 A / D converter 20
から読み出されたデータは入力バス50を介してランダムアクセスバッファメモリ(以下、RAMと称す)52 The data read from via the input bus 50 random access buffer memory (hereinafter, referred to as RAM) 52
に結合され、RAM52は少なくとも1つの画像(51 Coupled to at least one of the image RAM 52 (51
2x768画素)に対応する記憶容量を有する。 It has a corresponding storage capacity 2x768 pixels). 方向信号は制御バス54を介してメモリ読み出しコントローラ56へ結合される。 Direction signal is coupled to a memory read controller 56 via a control bus 54. このコントローラ56は画像プロセッサ22中のコントローラ用マイクロプロセッサ57の一部をプログラムしたものでもよいし、マイクロプロセッサ57によって駆動されてメモリ52への読み出しアドレス信号およびクロック信号の発生を制御する別個の専用の組み合わせ論理部であってもよい。 The controller 56 to a portion may be obtained by programming the controller for the microprocessor 57 in the image processor 22, separate for controlling the generation of the read address signal and the clock signal is driven by the microprocessor 57 to memory 52 only or it may be a combinational logic unit. アドレス信号およびクロック信号は、アドレスバスリンク58および60を介して、関連づけられた一組の行アドレスカウンタ62および列アドレスカウンタ64に与えられて、メモリ52の内容へのアクセスレートおよびアクセス順序を制御する。 Address signals and clock signals, via an address bus links 58 and 60, given a set of row address counter 62 and the column address counter 64 associated with the control of the access rate and order of accessing the contents of the memory 52 to. 特に、クロック信号線はカウンタ62および64を増分(増減信号がアサートされた場合)、または減分(増減信号がアサートされない場合)させる。 In particular, (if decreasing signal is not asserted) the clock signal line increments a counter 62 and 64 (if decreasing signal is asserted), or decrement causes. 米国特許第5,270,831号(発明の名称「デジタル化した画像を表示制御ファイルとともにデジタルデータベース中で記憶および再生して、画像の向きおよびアスペクト比を規定する方法」)には、ここで説明したのと同様の方向コードを自動的に使用する信号処理アーキテクチャが記載されている。 U.S. Patent No. 5,270,831 No. (entitled "in conjunction with display control file digitized image stored and reproduced in the digital database, a method for defining the orientation and aspect ratio of the image"), the now signal processing architecture that automatically use the same direction code as described is described. この特許の内容は本明細書に引用により援用するものとする。 The contents of this patent shall be incorporated by reference herein.

【0014】メモリコントローラ56は図9に示すように画素ラスタの読み出しを制御することによってメモリ52中の画像の向きを変える。 The memory controller 56 changes the orientation of the image in the memory 52 by controlling the readout of the pixel raster, as shown in FIG. メモリ書き込みマップ6 Memory write map 6
6は方向に関係なくセンサ16から直接取り込まれたデータを示す。 6 shows the data taken directly from the sensor 16 regardless of the direction. カメラが水平の場合は水平読み出しマップ68はメモリ書き込みマップ66と同じであるが、カメラが時計回りに垂直または反時計回りに垂直方向を向いている場合は、メモリコントローラ56はメモリ52 If horizontal read map 68 when the camera is horizontal is the same as the memory write map 66, the camera is vertically oriented vertically or counterclockwise clockwise, the memory controller 56 memory 52
を、垂直(時計回り)メモリ読み出しマップ70では左下から、垂直(反時計回り)メモリ読み出しマップ72 The vertical (clockwise) from the bottom left in the memory read map 70, the vertical (counterclockwise) memory read map 72
では右上から、順次読み出していく。 In from the upper right, it is sequentially read. 図9はまた、逆水平画像、つまりカメラ10が水平だが上下逆さまに保持されている場合に得られる画像についても示す。 Figure 9 also reverse horizontal image, i.e. the camera 10 but horizontally also shown an image obtained when it is upside down holding. この場合、逆メモリ読み出しマップ74は水平メモリ読み出しマップ68のちょうど逆である。 In this case, reverse memory read map 74 is just opposite the horizontal memory read map 68. (ただしこのような逆位置は故意にではなく偶発的に発生することの方が多いので、カメラ10にはカメラが逆さまになった場合に備えてロックアウトまたは警戒機構(図示せず)を備えてもよい。)図7には方向センサ40の一実施形態を示す。 (However, since such reverse position there are more possible to accidentally rather than intentionally, a lock-out or alarm mechanism (not shown) in the camera 10 in case the camera is upside down which may be.) shows one embodiment of a direction sensor 40 in FIG. カメラ10には水銀を充填した2つのスイッチ8 Two switches for the camera 10 filled with mercury 8
2、84が、一方は垂直にもう一方は水平に取り付けられる。 2,84 is, one other vertically are mounted horizontally. スイッチ82、84は、第一のスイッチコンタクト対86と第二のスイッチコンタクト対88とを含み、 Switch 82, 84 includes a first switch contact pair 86 and the second switch contact pair 88,
第一と第二のスイッチコンタクトの間には導電性の水銀の泡90が閉じ込められる。 Foam 90 conductive mercury is confined between first and second switch contacts. この導電性の水銀の泡90 Foam of the conductive mercury 90
には、2つの方向センサ82、84のいずれか一方の2 The, one or both of the two directions sensors 82, 84 2
つのスイッチコンタクト86、88のうちの1つを閉じるように重力が働き、もう一方の方向センサのスイッチコンタクト86、88は両方とも開いている。 One of gravity acts to close the one of the switch contacts 86 and 88 are both open switch contacts 86, 88 of the other directional sensor. このように信号が+Vレベル(つまりハイレベル)になるように3つのスイッチは常に開いており、同時に信号がローレベル(つまり接地レベル)になるように1つのスイッチが閉じている。 The three switches to be signal + V level (i.e. high level) as is always open, closed one of the switches so that the signal at the same time to a low level (i.e. ground level). 従って、どの信号がローレベルなのかがわかればカメラの向きを判断することができる。 Therefore, it is possible to which the signal to determine camera orientation Knowing how low the case for. 例えば、スイッチ82のスイッチコンタクト88が閉じている場合はカメラ10は水平位置で保持されており、スイッチ84のスイッチコンタクト86または88のどちらか一方が閉じている場合はカメラ10は2つある人物位置のどちらかの位置で保持されている、といった具合である。 For example, a person if the switch contact 88 of the switch 82 is closed the camera 10 is held in a horizontal position, if either the switch contact 86 or 88 of the switch 84 is closed the camera 10 with two it is held in either position of the position, and so on. スイッチの出力は論理部42に与えられ、ここでスイッチ信号を例えば00=水平、01=垂直(時計回り)、10=垂直(反時計回り)、という風に方向コードに変換する。 The output of the switch is provided to logic unit 42, wherein the switch signal, for example, 00 = horizontal, 01 = vertical (clockwise), 10 = vertical (counterclockwise), and converts to the direction code to the wind that.

【0015】図7は方向センサの概念を表しているもので、実際には少なくともいくつかの応用では水銀を使用しない方が好ましい。 [0015] Figure 7 is intended to represent the concept of direction sensor, actually it is preferred not to use mercury at least some applications. また、ホトインタラプタ型のスイッチを用いることも可能である。 It is also possible to use a photo-interrupter type switch. このタイプのスイッチでは、例えば2つの人物方向を検知するためにカメラの両端にそれぞれ発光器と検出器とを設けて、カメラの向きに応じて光を遮断する球が溝に沿って引きずられる。 In this type of switch, for example, provided with two respective light emitters on the camera ends in order to detect a person direction detector, a sphere that blocks light depending on the orientation of the camera along the groove dragged.
またこの代わりに、例えば重みをつけた遮光ホィールを設けて、これをカメラ本体に取り付けた1つの発光器と2つの検出器との間で回転させることもできる。 Further alternatively, for example, by providing a light shielding wheel with weighted, which may be rotated between one light emitter attached to the camera body and two detectors. 風景方向では検出器が両方共ブロックされ、各人物方向ではどちらか1つの検出器がブロックされるように、ホィールには光透過溝が設けられる。 The detector in the landscape direction is both blocked, so that one detector either at each person direction is blocked, the light transmitting groove is provided on the wheel.

【0016】図3には本発明のカメラの操作方法を示す。 [0016] FIG. 3 shows the camera method of operation of the present invention. ユーザがシャッターボタン44を押して撮影を行うと、センサ16が露光されて画像が読み出され、画像がセンサ16から読み出される間に方向判断部36によってカメラ10の向きが判断される。 When the user performs the recording by pressing the shutter button 44, the sensor 16 is exposed image is read out, the orientation of the camera 10 by the direction determination unit 36 ​​while the image is read from the sensor 16 is determined. 方向の修正が必要な場合は、画像プロセッサ22が画像データを回転させ、 If the direction of the correction is necessary, the image processor 22 rotates the image data,
回転した画像データはメモリカード24に正しい向きで記憶される(図4参照)。 Rotated image data is stored in the correct orientation into the memory card 24 (see FIG. 4). 図5および図6にはカメラの他の走査方法を示す。 The 5 and 6 show another method of scanning camera. ここでは、画像データがRAMメモリ52へ書き込まれる際に、各画像とともにカメラの方向コードがヘッダに記憶される。 Here, when the image data is written into the RAM memory 52, the camera direction code is stored in a header with each image. この段階では、各画像はまだ512(V)x768(H)のままであり、方向コードはこの画像を通常の風景モード(00)で表示するか、または人物方向No. At this stage, the image is still remains of 512 (V) x768 (H), or the direction code displays the image in the normal landscape mode (00), or person direction No. 1(01)で撮影された場合は時計回りに回転させて表示するか、または人物方向No. 1 (01) In any case taken to display is rotated clockwise or person direction No. 2(10)で撮影された場合は反時計回りに回転させて表示するかのいずれかを示す。 When taken with 2 (10) indicates one of whether to display rotated counterclockwise. 各画像がRAM Each image RAM
52から読み出されると、プロセッサ57は方向コードを検査して、カメラの向きに応じて必要ならば画像を回転させる。 When read from the 52, the processor 57 examines the direction code, rotates the image if necessary in accordance with the direction of the camera. こうして各画像は、図6に示すように正しい向きでメモリカード24に記憶される。 Thus each image is stored in the memory card 24 in the correct orientation as shown in FIG. このように方向コードをヘッダに記憶する実施形態の利点は、プロセッサ57が画像の回転を始める前に、ヘッダ付きの複数の画像を取得してバッファメモリ52に記憶できる点である。 An advantage of the embodiment which stores this way the direction code to the header, before the processor 57 starts to rotate the image, a point that can be stored in the buffer memory 52 to obtain a plurality of images with a header. これにより、バースト方式での操作が容易になり、 This facilitates the operation of the burst mode is,
複数の画像を素早く撮影することができる。 It is possible to quickly shoot a plurality of images. また、上述した米国特許第5、270、831号は、取得した画像を処理する際に画像ヘッダ中の方向情報をデコードする、プロセッサ中で用いる信号処理アーキテクチャを開示している。 Further, Patent U.S. Patent No. 5,270,831 described above, decodes the direction information in the image header when processing the acquired images, discloses a signal processing architecture for use in a processor. このアーキテクチャでは、画像は直立方向で、かつ後でコンピュータによって画面上に表示するのに正しいアスペクト比でメモリカードに記憶される。 In this architecture, the image in an upright direction, and is stored in the memory card later correct aspect ratio for display on the screen by the computer.

【0017】また図6に示すように、方向コードは正しい向きの画像とともにメモリカード24に記憶することができる。 [0017] As shown in FIG. 6, the direction code may be stored in the memory card 24 with the correct orientation of the image. 記憶された方向コードはメモリカード24がコンピュータ28に移され、コンピュータ28が画像処理を行う時に有用となり得る。 Stored direction code is a memory card 24 is transferred to the computer 28, it may be useful when the computer 28 performs image processing. 例えば、露光制御のための画像処理を画像の向きに応じて行うようにしてもよいし、またはコードによって画像のアスペクト比を構成しなおして、例えば境界領域のついた肖像画のような効果を得ることもできる。 For example, it may be performed in accordance with image processing for exposure control in the direction of the image, or re-configure the aspect ratio of the image by the code, the advantages described with the portrait of example border region it is also possible. また、カメラには方向オン/オフスイッチ36'を設けて、未修正の画像をメモリカードに記憶させてもよい。 Also, the camera provided with a direction on / off switch 36 ', it may be stored images of unmodified in memory card. この場合、方向の修正はコンピュータによってのみ行われる。 In this case, the direction of the correction is performed only by a computer. だがもしすべての画像をカメラ内部で修正したければ、スイッチ36'をオンに設定し、図3に示すフロー図に従ってカメラを操作すればよい。 But if you want to modify if all images inside the camera, is set to turn on the switch 36 ', it may operate a camera according to a flowchart shown in FIG. この実施形態では、画像は必要に応じていつも回転させられており、元の向きの記録はヘッダには保存されない(上述したヘッダに方向コードを記憶させる実施形態の場合を除く)。 In this embodiment, the image is rotated always necessary, the original orientation record (except in the case of the embodiment which stores the direction code to the header described above) that are not stored in the header.

【0018】以上のように本発明を好ましい実施形態によって説明してきたが、当業者であれば本発明の範囲から逸脱することなく変形および修正を行うことができると考える。 [0018] Having described the preferred embodiments of the present invention as described above, considered to be able to carry out variations and modifications without departing from the scope of the present invention by those skilled in the art.

【0019】 [0019]

【発明の効果】本発明の主たる利点は、記憶される画像が常に正しい方向を向くようにカメラ内部で画像の回転が行われるため、特別なアプリケーションプログラムを用いることなく画像をプレーヤまたはコンピュータの画面上に正しく表示することができることである。 The main advantage of the present invention exhibits, the rotation of the camera inside the image as the image to be stored is oriented always right direction is performed, the screen of the image player or a computer without using a special application program it is that it can be displayed correctly in the above.

【図面の簡単な説明】 BRIEF DESCRIPTION OF THE DRAWINGS

【図1】 垂直の人物方向の画像が表示画面上に間違った向きで示される先行技術の状況を示す図である。 1 is a diagram showing the state of the prior art image vertical person direction indicated by an incorrect orientation on the display screen.

【図2】 本発明に従う方向修正機能を有する電子スチルカメラを含む撮像システムのブロック図である。 It is a block diagram of an imaging system including an electronic still camera having a direction correcting function according to the present invention; FIG.

【図3】 本発明に従うカメラの操作を示すフロー図である。 Is a flow diagram illustrating the operation of a camera according to the present invention; FIG.

【図4】 本発明に従って正しい向きで記憶された画像を示す図である。 Is a diagram showing an image stored in the correct orientation according to the present invention; FIG.

【図5】 本発明に従うカメラの他の操作を示すフロー図である。 5 is a flowchart showing another operation of the camera according to the present invention.

【図6】 図5に示す他の操作に従って記憶された画像を示す図である。 6 is a diagram showing a stored image according to other operations shown in FIG.

【図7】 図2に示すカメラで用いられる方向センサの一実施形態を示す図である。 7 is a diagram showing an embodiment of a direction sensor used in the camera shown in FIG.

【図8】 画像の回転を求めるための信号処理アーキテクチャの一実施形態を示す図である。 8 is a diagram showing an embodiment of a signal processing architecture for obtaining image rotation.

【図9】 バッファメモリを様々な方向について読み出すために図8のアーキテクチャがどのように用いられるかを示す図である。 9 is a diagram showing how the architecture of FIG. 8 is how used to read the buffer memory for various directions.

【符号の説明】 DESCRIPTION OF SYMBOLS

10 電子カメラ、12 レンズ、14 被写体、16 10 an electronic camera, 12 a lens, 14 an object, 16
CCD撮像センサ、18 CCDドライバ回路、20 CCD image sensor, 18 CCD driver circuit, 20
A/D変換器、22 画像プロセッサ、24取り外し可能固体メモリカード、26,30 PCMCIAインタフェース、28 コンピュータ、32 中央処理装置、34 ディスプレイ、36 方向判断部、38 カメラ制御インタフェース、40 方向センサ、42 論理部、44 シャッターボタン、50 入力バス、52 A / D converter, 22 an image processor, 24 a removable solid-state memory card, 26, 30 PCMCIA interface, 28 computer, 32 a central processing unit, 34 display, 36 the direction determination unit, 38 a camera control interface, 40 orientation sensor, 42 logic parts, 44 shutter button, 50 input bus, 52
RAMバッファメモリ、54制御バス、56 メモリ読み出しコントローラ、57 コントローラマイクロプロセッサ、58,60 アドレスバスリンク、 62 RAM buffer memory, 54 a control bus, 56 a memory read controller, 57 controller microprocessor, 58 and 60 address bus links 62
行アドレスカウンタ、64 列アドレスカウンタ、66 The row address counter, 64-column address counter, 66
メモリ書き込みマップ、68 水平メモリ読み出しマップ、70 垂直(時計回り)メモリ読み出しマップ、 Memory write map, 68 horizontal memory read map 70 vertical (clockwise) memory read map,
72 垂直(反時計回り)メモリ読み出しマップ、74 72 vertical (counterclockwise) memory read map 74
反転メモリ読み出しマップ、82,84水銀スイッチ、86,88 スイッチコンタクト、90 水銀。 Inverted memory read map, 82, 84 mercury switch, 86, 88 switch contact, 90 mercury.

───────────────────────────────────────────────────── フロントページの続き (72)発明者 大森 晴史 東京都世田谷区下馬4−11−9 (72)発明者 和泉 雅喜 神奈川県横浜市泉区領家1−12−8 (72)発明者 水越 誠一 神奈川県茅ケ崎市元町8−32 ────────────────────────────────────────────────── ─── front page of the continuation (72) inventor Omori HareFumi Setagaya-ku, Tokyo dismounted 4-11-9 (72) inventor Masaki Izumi, Yokohama-shi, Kanagawa-ku, Izumi Ryoke 1-12-8 (72) inventor Mizukoshi Chigasaki, Kanagawa Prefecture Motomachi Seiichi 8-32

Claims (5)

    【特許請求の範囲】 [The claims]
  1. 【請求項1】 被写体に対して垂直の人物方向と水平の風景方向とを含む多様な向きに位置決めすることの可能な電子スチルカメラであって、 前記被写体の静止画像に対応して画像信号を発生する電子撮像センサと、 前記被写体に対する前記カメラの向きを検知し、前記被写体に対する前記カメラの少なくとも前記垂直方向を示す方向信号を発生する方向判断部と、 前記方向信号に応答して前記画像信号を処理し、前記画像信号の方向を修正して、前記静止画像が所定の向きで出力されるようにする画像プロセッサとを備えるカメラ。 1. A electronic still camera capable of positioning in a variety of orientations, including a person and horizontal landscape direction perpendicular to the subject, an image signal corresponding to the still image of the subject an electronic image sensor for generating and detecting an orientation of the camera relative to the subject, the direction determination unit for generating a direction signal indicative of at least the vertical direction of the relative said object camera, the image signal in response to said direction signal processes, said modify the direction of the image signal, a camera and an image processor to allow the still image is output in a predetermined orientation.
  2. 【請求項2】 請求項1に記載のカメラにおいて、前記方向判断部は、前記被写体に対する前記垂直方向に加えて前記水平方向も示すことを特徴とするカメラ。 2. A camera according to claim 1, wherein the direction determining unit is characterized in that in addition to the vertical direction with respect to the subject also shows the horizontal camera.
  3. 【請求項3】 請求項1に記載のカメラにおいて、前記方向判断部は、前記カメラの前記垂直方向および前記水平方向に応答する方向センサを含むことを特徴とするカメラ。 A camera according to 3. The method of claim 1, wherein the direction determining section is characterized by including a direction sensor which is responsive to said vertical direction and said horizontal direction of the camera the camera.
  4. 【請求項4】 請求項3に記載のカメラにおいて、前記方向判断部は、前記方向センサに応答して、前記複数の方向を示す複数の値を有する方向コードを生成する論理部を含むことを特徴とするカメラ。 4. A camera according to claim 3, wherein the direction determining unit in response to said direction sensor, to include logic for generating a direction code comprising a plurality of values ​​indicating a plurality of directions the camera which is characterized.
  5. 【請求項5】 請求項1に記載のカメラにおいて、前記画像プロセッサは、前記画像信号を記憶するためのバッファメモリと、前記バッファメモリをアドレス指定するメモリコントローラとを含み、これにより非水平方向については書き込まれる順序と異なる順序で前記メモリが読み出され、前記画像は常に前記所定の向きで前記画像プロセッサから出力されるように、前記アドレスが読み出し周期と書き込み周期との間で変化することを特徴とするカメラ。 5. A camera according to claim 1, wherein the image processor includes a buffer memory for storing the image signal, and a memory controller for addressing the buffer memory, thereby the non-horizontal direction is read out the memory in a different order to be written, the image can always be output from the image processor in the predetermined orientation, said address changes between the read cycle and the write cycle the camera which is characterized.
JP8081289A 1995-04-13 1996-04-03 Electronic still camera Pending JPH08336069A (en)

Priority Applications (2)

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US42171595A true 1995-04-13 1995-04-13
US421715 1995-04-13

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JPH08336069A true JPH08336069A (en) 1996-12-17

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JP8081289A Pending JPH08336069A (en) 1995-04-13 1996-04-03 Electronic still camera
JP2007002648A Granted JP2007174685A (en) 1995-04-13 2007-01-10 Computer and imaging system

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JP (2) JPH08336069A (en)
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